2222001200121 has 16 divisors (see below), whose sum is σ = 3004479433728. Its totient is φ = 1460429709200.

The previous prime is 2222001200119. The next prime is 2222001200137. The reversal of 2222001200121 is 1210021002222.

It is a cyclic number.

It is not a de Polignac number, because 2222001200121 - 2¹ = 2222001200119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2222001200121.

It is not an unprimeable number, because it can be changed into a prime (2222001200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8850100 + ... + 9097706.

It is an arithmetic number, because the mean of its divisors is an integer number (187779964608).

Almost surely, 2^{2222001200121} is an apocalyptic number.

It is an amenable number.

2222001200121 is a deficient number, since it is larger than the sum of its proper divisors (782478233607).

2222001200121 is a wasteful number, since it uses less digits than its factorization.

2222001200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289812.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2222001200121 its reverse (1210021002222), we get a palindrome (3432022202343).

The spelling of 2222001200121 in words is "two trillion, two hundred twenty-two billion, one million, two hundred thousand, one hundred twenty-one".